Integrating \(\xi (r_{\rm p},\pi )\)  along the line of sight to
reduce the redshift distortion effect, we obtain the projected 2PCCF,

 wp(rp)
= 20(rp,)d= 2i(rp,i)i,

where \(\pi _{i}\)  and \(\Delta \pi _{i}\)  are the
separation parallel to the line of sight and the corresponding bin size.
We adopt \(\pi _{\rm max}\)  = 40 \(\, h^{-1}{\rm {Mpc}}\)  as the
upper limit of the integration and \(\Delta \pi _{i}\)  = 1 \(\, h^{-1}{\rm {Mpc}}\) .
We sample \(r_{\rm p}\)  in 10 logarithmic bins with
\(r_{\rm p,min} = 0.01 \, h^{-1}{\rm {Mpc}}\)  and \(\Delta \log (r_{\rm p}/\, h^{-1}{\rm {Mpc}}) = 0.345\) .
The errors on the measurements of the 2PCCF are estimated by using 100
bootstrap samples [1]}. We correct the
fiber collision effects by using the same method as in [2]}, and we
refer the reader to the original paper for details and validity tests.
